Oscillococcinum interacts with your body in a natural way to help your body cope with flu-like symptoms, including fever, chills, pains, and headaches. Clinical investigations have demonstrated that occillo can lessen the length and intensity of flu-like symptoms. It doesn't make you sleepy or interfere with other drugs. The sweet-tasting pellets of Oscillococcinum dissolve fast beneath the tongue and don't need to be chewed, swallowed, or diluted. Oscillococcinum is advised for all people 2 years of age and older. It is most effective when taken as soon as symptoms resembling the flu appear.